tender for active power measuring meter (watt meter-01) - digital panel metersize-96x96mm with 4 digit display with min. digit height of 12.5mm (suitable for flush mounting in control panel), with auxiliary supply: 220 v dc+/- 10 , instrument shall confirm to relevant is and shall have an accuracy class of +/- 0.5 or better,with indication of (+) / (-) to indicate export /import and compactable with transducer ( having following specification: range: 600-0-600 mw,ptr: 400kv/110v, ctr: 1000/1a, output-1: 10-0-10madc at 1k, output-2: 10-0-10madc at 1k, accuracy:0.5)